Behavioral optometrists help with how your eyes are functioning rather than just vision acuity and health. They prescribe therapies and such. Many on NT have found benefit from an assessment. They are sort of occupational therapists for your eyes.

Behavioral optometry is a type of complementary and alternative medicine which encompasses a number of unorthodox ideas and practices related to visual processes. In general, behavioral optometrists attempt to improve vision and well-being using eye exercises and lenses in ways which depart from conventional optometry. from Wikipedia.